He using me for money and I’m hurt

Hey everyone. I have been going through it these past few months. I have been with my boyfriend for 11 months now and things are not going well for me. We are both in our 30s so I feel even more dumb because I am way too old for this. Well in May he up and decided to quit his job because he wasn’t happy. He had no money and no backup. I gave him money over and over again to help him out. I spent hundreds of dollars getting him groceries for months. I helped him get things for his child to take care of him. I never got paid back. Fast forward a couple of months. He stared back working but he still needed help so my dumb butt gave him help yet again. I continued over and over again. When he was at his new job I went to bring him food I cooked and if I couldn’t I would give him food delivered. I just tried to ease a burden and stress from him.
I have been getting treated like someone that doesn’t even matter to him lately. He is mean and distant to me now he honestly acts like I am just someone who is for play. It’s like a pattern I give him money and when that money runs out with whatever he spends it on. He just goes back to the mean and cold man. I give him money and he is nice. He has baby mama drama also and I’ve been there for him through it all. I’ve stayed down solid for him. It’s like he knows he hurts me when he is so mean distant and cold towards me and he know to solve or I will give him money. Smh. Writing this I feel super dumb for even being here hurting and crying. I’m not rich I have my own things going on and I can’t even go to him because he won’t talk he being mean again because he needs money again. All of our conversations are centered to him. I can even count on him to call him to just vent. It sucks. I just need advice on how to handle this and what to do. Please don’t judge. Thank you everyone for your help. Sorry so long.